While some parts of the state continue to shake, the Oklahoma Geological Survey tells KOCO the number of earthquakes across the state has gone down in recent months.

While some parts of the state continue to shake, the Oklahoma Geological Survey tells KOCO the number of earthquakes across the state has gone down in recent months.

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Updated: 5:29 PM CDT May 3, 2016

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WEBVTT INJECTION OPERATIONS. CRYSTAL: AS INJECTION WELLS HAVE CUT BACK ON OPERATIONS, THE OGS SAYS THEY ARE SEEING FEWER EARTHQUAKES. IT IS A TREND THEY EXPECT TO CONTINUE AS MORE WASTEWATER INJECTION WELLS ARE EXPECTED TO SHUT DOWN. HUNDREDS OF TREMORS HAVE SHAKEN OUR STATE THIS YEAR. >> IF YOU LOOK AT THE NUMBER OF EARTHQUAKES. CRYSTAL: THE DIRECTOR OF THE OKLAHOMA GEOLOGICAL SURVEY SAYS THERE IS RELIEF INSIDE. THE NUMBER OF EARTHQUAKES IS DOWN. THE RECENT, LESS WASTE IS BEING INJECTED INTO THE GROUND. >> WE DEFINITELY HAVE A DROP IN INJECTION AND WE THINK THAT IS WHAT IS DRIVING THE REDUCTION IN THE NUMBER OF EARTHQUAKES. CRYSTAL: INJECTION WELLS ARE WORKING THEIR WAY UP TO CUTTING BACK ON OPERATIONS BY ABOUT 300,000 BARRELS OF WASTEWATER A DAY. IN NORTHWESTERN OKLAHOMA, THEY ARE CUTTING BACK WASTEWATER INJECTION OPERATIONS BY 500,000 BARRELS A DAY. AS A RESULT, THE STATE AVERAGE FOR EARTHQUAKES PER DAY HAS GONE FROM FOUR AND A HALF SIX MONTHS AGO TO NOW THREE AND A HALF PER DAY.

OGS says frequency of earthquakes in state is decreasing

While some parts of the state continue to shake, the Oklahoma Geological Survey tells KOCO the number of earthquakes across the state has gone down in recent months.